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72146341 is a prime number
BaseRepresentation
bin1000100110011…
…01110110100101
312000202102011201
410103031312211
5121432140331
611054202501
71534143121
oct423156645
9160672151
1072146341
11377a7683
12201b3431
1311c40757
149820581
156501a61
hex44cdda5

72146341 has 2 divisors, whose sum is σ = 72146342. Its totient is φ = 72146340.

The previous prime is 72146329. The next prime is 72146357. The reversal of 72146341 is 14364127.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37088100 + 35058241 = 6090^2 + 5921^2 .

It is an emirp because it is prime and its reverse (14364127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72146341 - 25 = 72146309 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72146311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36073170 + 36073171.

It is an arithmetic number, because the mean of its divisors is an integer number (36073171).

Almost surely, 272146341 is an apocalyptic number.

It is an amenable number.

72146341 is a deficient number, since it is larger than the sum of its proper divisors (1).

72146341 is an equidigital number, since it uses as much as digits as its factorization.

72146341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 72146341 is about 8493.9002231013. The cubic root of 72146341 is about 416.2984271528.

The spelling of 72146341 in words is "seventy-two million, one hundred forty-six thousand, three hundred forty-one".